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  <title>Gets the index of the current active image</title>
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  <div id="layout-content"><div id="imagick.getiteratorindex" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">Imagick::getIteratorIndex</h1>
  <p class="verinfo">(PECL imagick 2, PECL imagick 3)</p><p class="refpurpose"><span class="refname">Imagick::getIteratorIndex</span> &mdash; <span class="dc-title">Gets the index of the current active image</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-imagick.getiteratorindex-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>Imagick::getIteratorIndex</strong></span>(): <span class="type">int</span></div>


  <p class="para rdfs-comment">
   Returns the index of the current active image within the Imagick object.
   此方法在Imagick基于ImageMagick 6.2.9以上版本编译时可用。
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-imagick.getiteratorindex-parameters">
  <h3 class="title">参数</h3>
  <p class="para">此函数没有参数。</p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-imagick.getiteratorindex-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns an integer containing the index of the image in the stack.
  </p>
 </div>


 <div class="refsect1 errors" id="refsect1-imagick.getiteratorindex-errors">
  <h3 class="title">错误／异常</h3>
  <p class="para">
   错误时抛出 ImagickException。
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-imagick.getiteratorindex-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-2782">
    <p><strong>示例 #1 Using <span class="function"><strong>Imagick::getIteratorIndex()</strong></span>:</strong></p>
    <div class="example-contents"><p>
     Create images, set and get the iterator index
    </p></div>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$im&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">Imagick</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$im</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">newImage</span><span style="color: #007700">(</span><span style="color: #0000BB">100</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">100</span><span style="color: #007700">,&nbsp;new&nbsp;</span><span style="color: #0000BB">ImagickPixel</span><span style="color: #007700">(</span><span style="color: #DD0000">"red"</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">$im</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">newImage</span><span style="color: #007700">(</span><span style="color: #0000BB">100</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">100</span><span style="color: #007700">,&nbsp;new&nbsp;</span><span style="color: #0000BB">ImagickPixel</span><span style="color: #007700">(</span><span style="color: #DD0000">"green"</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">$im</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">newImage</span><span style="color: #007700">(</span><span style="color: #0000BB">100</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">100</span><span style="color: #007700">,&nbsp;new&nbsp;</span><span style="color: #0000BB">ImagickPixel</span><span style="color: #007700">(</span><span style="color: #DD0000">"blue"</span><span style="color: #007700">));<br /><br /></span><span style="color: #0000BB">$im</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">setIteratorIndex</span><span style="color: #007700">(</span><span style="color: #0000BB">1</span><span style="color: #007700">);<br />echo&nbsp;</span><span style="color: #0000BB">$im</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getIteratorIndex</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-imagick.getiteratorindex-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="imagick.setiteratorindex.html" class="function" rel="rdfs-seeAlso">Imagick::setIteratorIndex()</a> - Set the iterator position</span></li>
    <li class="member"><span class="function"><a href="imagick.getimageindex.html" class="function" rel="rdfs-seeAlso">Imagick::getImageIndex()</a> - Gets the index of the current active image</span></li>
    <li class="member"><span class="function"><a href="imagick.setimageindex.html" class="function" rel="rdfs-seeAlso">Imagick::setImageIndex()</a> - Set the iterator position</span></li>
   </ul>
  </p>
 </div>


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